| Issue |
E3S Web Conf.
Volume 98, 2019
16th International Symposium on Water-Rock Interaction (WRI-16) and 13th International Symposium on Applied Isotope Geochemistry (1st IAGC International Conference)
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|
|---|---|---|
| Article Number | 01010 | |
| Number of page(s) | 5 | |
| Section | Geological Evolution of Water-Rock System: Mechanisms, Processes, Factors, Stages. The Session Dedicated to Stepan Shvartsev’s Memory | |
| DOI | https://doi.org/10.1051/e3sconf/20199801010 | |
| Published online | 07 June 2019 | |
Historical mine pollution and environmental resilience: biomineralization processes and biogeochemical barriers
1
Department of Chemical and Geological Sciences, University of Cagliari, via Trentino 51, 09127, Cagliari, Italy
2
U.S. Geological Survey, MS 963 Denver Federal Center, Denver, CO 80225
3
U.S. Geological Survey, 2329 W Orton Circle, Salt Lake City, Utah, 84117
4
U.S. Geological Survey, Colorado Water Science Center, 3215 Marine St, Boulder Colorado, 80303
* Corresponding author: gbgiudic@unica.it
Three streams in SW Sardinia were studied to evaluate the transport of metals in the environment, and to characterize the natural processes that lead to decreased metal loads. Here we focus on Zn. Although the metal load varies by 2-3 orders of magnitude, we have observed natural biologically mediated attenuation processes, including uptake by vegetation and biomineralization. In this paper, we review the chemical and physical processes that lead to natural Zn attenuation, and discuss the merits of mimicking those processes when designing remediation schemes.
© The Authors, published by EDP Sciences, 2019
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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